■
奥氏体系不锈钢
(SUS304,SUS310S,SUS316
等)
Austenitic
Stainless
Steel
被切削性
・
加工硬化大切削性能差，易生成切刃的局部磨损(边界部分磨损)。
・
热传导性非常差(约为碳素钢的1/4),刀尖部的温度显著上升导致容易磨损。
(最难切削)
・
容易发生溶着和积屑瘤，导致切削抵抗变大而使刀尖容易发生损伤和崩损。
Machinability(Hardest
to
cut)
・
容易发生较长的切屑，而且多为韧性强度较高的切屑，加工性差。
・
Significant
work
hardening,
poor
cutting
performance,
acceleration
of
wear
at
cutting
edge
(notching)
・
Heat
conductivity
is
extremely
poor
(one-quarter
of
carbon
steel),
temperature
at
edge
rises
and
likely
to
wear
・
Welding
or
built-up
edge
occurs
easily,
cutting
resistance
increases
and
edge
breakage
or
chipping
is
likely
・
Chips
tend
to
become
longer
and
stronger,
resulting
in
poor
machinability
＜推荐材质
Recommended
grade
＞
＜推荐断屑槽
Recommended
Chipbreaker
＞
分类
Classi
cation
材质
Grade
切削速度
(m/min)
Cutting
speed
50
100
150
200
250
加工形态
Application
切深
ap
（mm）
连续加工
Continuous
轻度断续加工
Light
Interruption
断续加工
Interruption
强断续加工
Heavy
Interruption
M15
180
(120-240)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
M25
M30
150
(80-220)
120
(70-160)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MQ
MQ
MS
/MU
MS
/MU
MS
/MU
MS
/MU
MS
MS
■
铁素体系不锈钢
(SUS405,SUS410L,SUS430
等)
Ferritic
Stainless
Steel
被切削性
Machinability
・
加工硬化现象少，相比较奥氏体系不锈钢容易切削(边界磨损，毛刺少)
・
为铁素体组织，硬度低(容易通过淬火处理进行硬化)
・
热传导性差(碳素钢的1/2)刀具的刀尖温度容易上升易导致磨损
・
Limited
work
hardening
and
more
machinable
than
austenitic
steel
(less
・
Lower
hardness
due
to
ferritic
structure
(will
not
harden
when
quenched)
・
Heat
conductivity
is
poor
(half
of
carbon
steel),
temperature
at
edge
rises
and
notching
and
burring)
likely
to
wear
＜推荐材质
Recommended
grade
＞
＜推荐断屑槽
Recommended
Chipbreaker
＞
分类
Classi
cation
材质
Grade
50
切削速度
(m/min)
Cutting
speed
100
150
200
250
加工形态
Application
切深
ap
（mm）
连续加工
Continuous
轻度断续加工
Light
Interruption
断续加工
Interruption
强断续加工
Heavy
Interruption
M15
190
(130-250)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
M25
M30
160
(90-230)
130
(80-170)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MQ
MQ
MS
/MU
MS
/MU
MS
/MU
MS
/MU
MS
MS
■
马氏体系不锈钢
(SUS403,SUS410,SUS420F
等)
Martensitic
Stainless
Steel
被切削性
Machinability
・
加工硬化现象少，相比奥氏体系不锈钢容易切削(边界磨损，毛刺少)
・
素材硬度高，发生凹坑磨损
・
热传导性差(碳素钢的1/2)刀具的刀尖温度容易上升易导致磨损
・
Limited
work
hardening
and
more
machinable
than
austenitic
steel
(less
notching
and
burring)
・
High
in
hardness,
likely
to
cause
crater
wear
・
Heat
conductivity
is
poor
(half
of
carbon
steel),
temperature
at
edge
rises
and
likely
to
wear
＜推荐材质
Recommended
grade
＞
＜推荐断屑槽
Recommended
Chipbreaker
＞
分类
Classi
cation
材质
Grade
50
切削速度
(m/min)
Cutting
speed
100
150
200
250
加工形态
Application
切深
ap
（mm）
连续加工
Continuous
轻度断续加工
Light
Interruption
断续加工
Interruption
强断续加工
Heavy
Interruption
M15
190
(130-250)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
M25
160
(90-230)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
/MU
MS
■
析出硬化(PH)系不锈钢
(SUS630,SUS631
等)
Precipitation
hardening
(PH)
stainless
steel
被切削性
(最难切削)
Machinability(Hard
to
cut)
・
拉伸强度高(约为其他不锈钢的2倍)，切削抵抗大，不易被切削
・
热传导性差(碳素钢的1/2)，刀具的刀尖温度容易上升易导致磨损
・
High
tensile
strength
(approx.
twice
that
of
other
stainless
steels),
high
cutting
・
Heat
conductivity
is
poor,
temperature
at
edge
rises
and
likely
to
wear
resistance
and
hard
to
machine/low
machinability
＜推荐材质
Recommended
grade
＞
＜推荐断屑槽
Recommended
Chipbreaker
＞
分类
Classi
cation
材质
Grade
50
切削速度
(m/min)
Cutting
speed
100
150
200
250
加工形态
Application
切深
ap
（mm）
连续加工
Continuous
轻度断续加工
Light
Interruption
断续加工
Interruption
强断续加工
Heavy
Interruption
M15
80
(50-110)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
M25
70
(40-100)
1mm以下
less
than
1mm
1mm以上
more
than
1mm
MQ
MQ
MS
/MU
MS
/MU
MS
/MU
MS
10